package com.huashi.StringUtl;

import org.springframework.util.StringUtils;

public class StringUtil extends StringUtils {
    public static String toLowerCaseFirstOne(String s){
        if (Character.isLowerCase(s.charAt(0))){
            return s;
        }else {
            return (new StringBuilder()).append(Character.toLowerCase(s.charAt(0))).append(s.substring(1)).toString();
        }
    }
}
